Estimate the solubility of Ag2CrO4 in pure water if the solubility product constant for silver chromate is 1.1 x 10^-12.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Estimate the solubility of Ag2CrO4 in pure water if the solubility product constant for silver chromate is 1.1 x 10^-12. 

 

Expert Solution
Step 1: Basic discussion

We know, that Ag2CrO4 is a partially soluble salt. It dissolves very little in water. To calculate the solubility we have to use the expression for KSP.  

Ag2CrO4 partially dissociates into 2Ag+ and CrO42-

bold space bold Ag subscript bold 2 bold CrO subscript bold 4 bold left parenthesis bold s bold right parenthesis bold space bold left right double arrow bold space bold 2 bold Ag to the power of bold plus bold left parenthesis bold aq bold right parenthesis bold space bold plus bold space bold CrO subscript bold 4 to the power of bold 2 bold minus end exponent bold left parenthesis bold aq bold right parenthesis

The expression for Ksp is-

bold K subscript bold SP bold equals bold left square bracket bold Ag to the power of bold plus bold right square bracket to the power of bold 2 bold left square bracket bold CrO subscript bold 4 to the power of bold 2 bold minus end exponent bold right square bracket

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